Freezing rain wreaks havoc on roads in Edmonton region, several fatal collisions

 https://globalnews.ca/news/8401499/edmonton-freezing-rain-warning-november-25

Ideally, any major road in a cold climate should have a heating system.

https://edmonton.ctvnews.ca/red-deer/1-killed-in-3-semi-crash-on-highway-2-in-central-alberta-1.5681396

Of course there is an extra up front cost with a snowmelt_system, but it can save more lives in the long run.

https://phys.org/news/2019-01-under-road-highways-ice-free.html

https://edmonton.ctvnews.ca/2-killed-in-crash-on-highway-28-north-of-edmonton-1.5681193

https://en.wikipedia.org/wiki/Edmonton#Roads_and_highways

https://ec.europa.eu/research-and-innovation/en/horizon-magazine/under-road-heating-system-keep-europes-highways-ice-free

https://solarroadways.com/specifics/heating/